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ROYAL ASTRONONICAL SOCIETY OF CANADA Standing Committee on Observational Activities Programme for Solar Eclipse of July 20, 1963 Bulletin No 2 Basic Observation Programme February 15, 1963 A. PRECISION OBSERVATIONS Equipment Required 1. Duration of Totality Stopwatch, short-wave radio or reliable clock 2. Contacts ) Stopwatch, short-wave radio or tape recorder, ) - - telescope with Herschel wedge, etc. or 3. Occultation of Sun-spots ) projection screen 4. Flash Spectrum Stopwatch, short-wave radio or tape recorder, telescope with prism or diffraction grating 5. Shadow Bands Compass, white background 6. Meteorological Data Barometer, thermometer, anometer, photometer 7. Radio Reception Short-wave receiver, signal strength meter B. PHOTOGRAPHIC PROJECTS Special Equipment Still Photographs (b&w or colour) 1. Partial Phases, Baily's Beads,etc. Telephoto lens, dense neutral filters 2. Totality - (a) Corona - shape )-- Telephoto lens, tripod or mount with clock (b) Corona - colour ) drive, (a) rotating sector shutter, (b) red and blue filters (c) Prominences Single lens reflex, telescope with drive 3. Shadow Bands Compass, tripod, white background 4. Changes in Landscape Illumination Tripod 5. Spectroscopic: (a) Flash Spectrum Tripod, prism or diffraction grating (b) Corona Spectroscope with slit, telescope with drive Motion Pictures 1. Partial Phases Dense neutral filters 2. Totality Telephoto lens 3. Landscape Illumination No special equipment 4. Shadow Bands Compass, tripod, white background 5. Onrush of Shadow No special equipment, tripod helpful C. VISUAL OBSERVATIONS Equipment Required 1. Corona Unaided eye or telescope 2. Solar Prominences Telescope, preferably with drive 3. Aurora - presence or absence of Unaided eye 4. Stars Visible during Totality Unaided eye 5. Effects of Bird & Animal Life Unaided eye or binoculars